Average and hysteresis current-controlled three-phase three-level unity power factor rectifier operation and performance

被引:28
|
作者
Maswood, A. I. [1 ]
Al-Ammar, E. [1 ,2 ]
Liu, F. [1 ]
机构
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Lab Clean Energy Res, Singapore 639798, Singapore
[2] King Saud Univ, Dept Elect & Elect Engn, Riyadh, Saudi Arabia
关键词
CONVERTERS;
D O I
10.1049/iet-pel.2010.0189
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Three-phase three-level rectifier (TPTL) is popular in present days for high-power application owing to its low blocking-voltage stress on the power switches (half of dc-link voltage). Such a rectifier can also operate as unity power factor (PF) converter as presented in this work. The rectifier input current controller can be operated with either fixed frequency or random frequency both with their advantages and shortcomings. In this study, the current controller is implemented with: (a) conventional hysteresis current control (random frequency) and (b) average current control (fixed frequency). The design issues and the performance of the two current modulation strategies are investigated and compared. Rectifier performance parameter, that is, THD and PF are evaluated and confirmed through hardware prototype results.
引用
收藏
页码:752 / 758
页数:7
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